Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.193467E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:56:20+0800
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    1 Object 1

    AOE ID 51891
    NORAD ID 51891
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 62634
    NORAD ID 62634
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3549 FLOCK 4G 28
    Time of Closest Approach 2026-09-06T02:28:40+0000
    Collision Probability (Pc) 1.193467E-6
    Conjunction Distance (km) 2.803 km
    Relative Speed (km/s) 10.4 km/s
    Conjunction Risk Parameters R (Radial): -1.563 | I (In-track): 1.708 | C (Cross-track): -1.579
    Collision Risk Index (CRI) 0.37
    X Position (km) -3482.051 -3480.689
    Position Y (km) 2472.695 2470.246
    Position Z (km) -5350.934 -5350.952
    Velocity X (km/s) -2.912 5.666
    Velocity Y (km/s) -6.924 -2.09
    Velocity Z (km/s) -1.306 -4.652

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3549 FLOCK 4G 28
    Semimajor Axis (a) 6840.800 km 6835.972 km
    Eccentricity (e) 0.000110 0.000269
    Inclination (i) 53.1585° 97.3986°
    RAAN 266.4623° 331.0898°
    Perigee Argument 80.2270° 62.3325°
    Mean Anomaly (M) 279.8857° 297.8191°
    Apogee 463.419 km 459.672 km
    Perigee 461.907 km 455.998 km
    Orbit Epoch 2026-09-03T13:57:25+0000 2026-09-03T04:40:45+0000

    STARLINK-3549 & FLOCK 4G 28 Collision Probability (Pc) Trend

    STARLINK-3549 & FLOCK 4G 28 Collision Probability (Pc) TrendNot Available

    STARLINK-3549 & FLOCK 4G 28 Miss Distance (Miss Distance) Trend

    STARLINK-3549 & FLOCK 4G 28 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3549Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FLOCK 4G 28Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3549Collision Probability Trend

    Object 1 Probability TrendNot Available

    FLOCK 4G 28Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3549

    No nearby objects data